21530698

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2647}}^1$

素因数の和:2746

約数の個数: 24

約数和(自身を含む): 38035872

約数和(自身を除く): 16505174

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 581, 1162, 2647, 4067, 5294, 8134, 18529, 37058, 129703, 219701, 259406, 439402, 1537907, 3075814, 10765349, 21530698]

約数ペア:

[(1, 21530698), (2, 10765349), (7, 3075814), (14, 1537907), (49, 439402), (83, 259406), (98, 219701), (166, 129703), (581, 37058), (1162, 18529), (2647, 8134), (4067, 5294)]